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Analysis of Association,Compositions and Genetic Stages of Organic Fluid Inclusions in West Sichuan

SHAO Xian-jie   

  1. Yanshan University, Qinhuangdao, Hebei 066004, China
  • Received:2005-12-23 Revised:1900-01-01 Online:2006-09-26 Published:2006-09-26
  • Contact: SHAO Xian-jie

Abstract: There are six types of association and three physical facies patterns of organic fluid inclusions traped in the rocks of Triassic and Jurassic in West Sichuan. Their compositions, which were detected with Laser Raman microspectroscopy, include CH4,C2H2,C2H4, C2H6, C3H8,C3H6,C4H6,C6H6,CO2,H2,H2S and CO. The fluid inclusions can be divided into four stages based on their homo-genization temperature, salinity, burial history and thermal history. In the studied area, organic inclusions were formed in different phases of generation, migration and evolvement of oil and gas and the different stage of diagenesis. All of these features can be used as key indicators of reservoir formation.

Key words: fluid inclusion, Laser Raman microspectroscopy, homogenization temperature, West Sichuan

CLC Number: 

  • P618.13
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